Weekly Flashcardizz #8: Translations and Reflections

Front

Reflection means to ________________

Back

flip

Front

What is this transformation? (x, y) ----> (-x, y)

Back

Reflect over the y-axis

Front

What would be the coordinates of point K if it was reflected over the x-axis? (Assuming K is at (5, -2))

Back

(-5, 2)

Front

Translation means to _______________

Back

slide

Front

Identify the coordinates of the image of Triangle ABC after a translation 5 units to the right: A(3, 3), B(3, -2), C(-1, -2)

Back

A' (8, 3) B' (8, -2) C' (4, -2)

Front

What is the effect of reflecting a point over the x-axis?

Back

The y-coordinate changes sign.

Front

What is the effect of reflecting a point over the y-axis?

Back

The x-coordinate changes sign.

Front

If point P is at (4, 5), what are the coordinates of P after a reflection over the x-axis?

Back

(4, -5)

Front

If point Q is at (-3, 2), what are the coordinates of Q after a reflection over the y-axis?

Back

(3, 2)

Front

What does it mean to translate a shape 3 units up?

Back

Add 3 to the y-coordinates of all points in the shape.